PT-2023-8763 · Linux+3 · Linux Kernel+3

Yonghong Song · Published 2023-12-14 · Updated 2024-10-30 · CVE-2023-52446

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.7.0-rc3-00699-g90679706d486-dirty #494

Description The vulnerability is related to a race condition between btf put() and map free() in the Linux kernel. This issue can lead to a slab-use-after-free error, potentially allowing an attacker to impact the confidentiality, integrity, and availability of protected information. The error occurs at bpf rb root free+0x1f8/0x2b0.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Race Condition

Weakness Enumeration

CWE-416

CWE-362

Related Identifiers

BDU:2024-01841

CVE-2023-52446

USN-6765-1

USN-6818-1

USN-6818-2

USN-6818-3

USN-6818-4

USN-6819-1

USN-6819-2

USN-6819-3

USN-6819-4

Affected Products

Linuxmint

Linux Kernel

Red Os

Ubuntu

References · 491

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52446.json · Exploit
• https://ubuntu.com/security/CVE-2024-26644 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14584 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52617 · Security Note
• https://bdu.fstec.ru/vul/2024-01860 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52635 · Security Note
• https://ubuntu.com/security/notices/USN-6818-4 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26586 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52451 · Security Note
• https://ubuntu.com/security/CVE-2024-26618 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52470 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-04147 · Security Note
• https://ubuntu.com/security/CVE-2023-52618 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52447 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-09821 · Security Note